Computer



FIG. 1 is a top view of a computer showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right side view thereof. 

The ornamental design for a computer, as shown. 